Hide docked windows behind a flag

ash/wm/maximize_mode/maximize_mode_window_manager_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/common/wm/maximize_mode/maximize_mode_window_manager.h"
 
 #include <string>
 
 #include "ash/aura/wm_window_aura.h"
+#include "ash/common/ash_switches.h"
 #include "ash/common/shelf/wm_shelf.h"
 #include "ash/common/wm/maximize_mode/maximize_mode_controller.h"
 #include "ash/common/wm/mru_window_tracker.h"
 #include "ash/common/wm/overview/window_selector_controller.h"
 #include "ash/common/wm/switchable_windows.h"
 #include "ash/common/wm/window_state.h"
 #include "ash/common/wm/window_state_observer.h"
 #include "ash/common/wm/wm_event.h"
 #include "ash/common/wm_shell.h"
 #include "ash/root_window_controller.h"
 #include "ash/screen_util.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/test/shell_test_api.h"
 #include "ash/wm/window_properties.h"
 #include "ash/wm/window_state_aura.h"
 #include "ash/wm/window_util.h"
+#include "base/command_line.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "services/ui/public/interfaces/window_manager_constants.mojom.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/test/test_window_delegate.h"
 #include "ui/aura/test/test_windows.h"
 #include "ui/aura/window.h"
 #include "ui/base/hit_test.h"
 #include "ui/events/test/event_generator.h"
@@ skipping 1527 matching lines @@
   EXPECT_FALSE(wm::GetWindowState(w1.get())->IsMaximized());
   EXPECT_FALSE(wm::GetWindowState(w2.get())->IsMaximized());
   EXPECT_EQ(rect1.ToString(), w1->bounds().ToString());
   EXPECT_EQ(rect2.ToString(), w2->bounds().ToString());
   EXPECT_TRUE(wm::GetWindowState(w1.get())->can_be_dragged());
   EXPECT_TRUE(wm::GetWindowState(w2.get())->can_be_dragged());
 }
 
 // Tests that docked windows are not maximized, and not tracked.
 TEST_F(MaximizeModeWindowManagerTest, DontMaximizeDockedWindows) {
+  // Enable window docking for this test.
+  base::CommandLine::ForCurrentProcess()->AppendSwitch(
+      ash::switches::kAshEnableDockedWindows);
+
   gfx::Rect rect(10, 10, 200, 50);
   std::unique_ptr<aura::Window> window(
       CreateWindow(ui::wm::WINDOW_TYPE_NORMAL, rect));
 
   wm::WMEvent dock_event(wm::WM_EVENT_DOCK);
   wm::GetWindowState(window.get())->OnWMEvent(&dock_event);
   EXPECT_TRUE(wm::GetWindowState(window.get())->IsDocked());
   EXPECT_FALSE(wm::GetWindowState(window.get())->IsMaximized());
 
   MaximizeModeWindowManager* manager = CreateMaximizeModeWindowManager();
@@ skipping 112 matching lines @@
   EXPECT_EQ(1, observer.GetPostCountAndReset());
   EXPECT_EQ(wm::WINDOW_STATE_TYPE_MINIMIZED,
             observer.GetLastOldStateAndReset());
 
   window_state->RemoveObserver(&observer);
 
   DestroyMaximizeModeWindowManager();
 }
 
 }  // namespace ash